Is there a way to make a thumbnail with a video on your gig?

[tylersilberman]

As the title says, I have a slideshow gig, and there is a video example in it. The “thumbnail” it took from the video is not optimal, is there a way I can set one of my pictures to be the thumbnail?

[coerdelion]

When you upload your video, you’re given the choice to choose a frame from it as the thumbnail …